20171640025

素因数分解:

$5^2\times {\mathrm{181}}^1\times {\mathrm{1523}}^1\times {\mathrm{2927}}^1$

素因数の和:4641

約数の個数: 24

約数和(自身を含む): 25176138624

約数和(自身を除く): 5004498599

約数列:

[1, 5, 25, 181, 905, 1523, 2927, 4525, 7615, 14635, 38075, 73175, 275663, 529787, 1378315, 2648935, 4457821, 6891575, 13244675, 22289105, 111445525, 806865601, 4034328005, 20171640025]

約数ペア:

[(1, 20171640025), (5, 4034328005), (25, 806865601), (181, 111445525), (905, 22289105), (1523, 13244675), (2927, 6891575), (4525, 4457821), (7615, 2648935), (14635, 1378315), (38075, 529787), (73175, 275663)]